CN108511783A - A kind of lithium battery - Google Patents
A kind of lithium battery Download PDFInfo
- Publication number
- CN108511783A CN108511783A CN201710108816.XA CN201710108816A CN108511783A CN 108511783 A CN108511783 A CN 108511783A CN 201710108816 A CN201710108816 A CN 201710108816A CN 108511783 A CN108511783 A CN 108511783A
- Authority
- CN
- China
- Prior art keywords
- fiber grating
- lithium battery
- battery
- lithium
- negative plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 47
- 239000000835 fiber Substances 0.000 claims abstract description 25
- 150000002500 ions Chemical class 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 239000007770 graphite material Substances 0.000 claims description 3
- 239000005955 Ferric phosphate Substances 0.000 claims 1
- 229940032958 ferric phosphate Drugs 0.000 claims 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 10
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- 229910001416 lithium ion Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 229910052493 LiFePO4 Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
- G01N21/431—Dip refractometers, e.g. using optical fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/484—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring electrolyte level, electrolyte density or electrolyte conductivity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/623—Portable devices, e.g. mobile telephones, cameras or pacemakers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
- G01N21/431—Dip refractometers, e.g. using optical fibres
- G01N2021/432—Dip refractometers, e.g. using optical fibres comprising optical fibres
- G01N2021/433—Dip refractometers, e.g. using optical fibres comprising optical fibres with an unclad part on the fibre
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
A kind of lithium battery, including battery core and shell, battery core are arranged inside the shell, and battery core includes positive plate, negative plate and diaphragm, it is characterised in that fiber grating ion concentration sensor is provided between the positive plate or/and negative plate and diaphragm.The superiority of the present invention is that the charging and discharging state of lithium battery in reaction process is judged with monitoring lithium concentration, can directly and accurately judge the electrochemical process of battery.
Description
(1) technical field
The present invention relates to a kind of lithium battery, more particularly to a kind of lithium battery of built-in detection ion concentration sensor.
(2) background technology
Lithium battery have many advantages, such as voltage it is high, it is higher than energy, recycle often, storage time it is long, not only portable
Such as mobile phone, DV and laptop computer is used widely on formula electronic equipment, and is widely used in electronic
In terms of the large and medium-sized electrical equipment such as automobile, electric bicycle and electric tool, therefore the performance requirement of lithium ion battery is got over
Come higher.The internal structure of lithium battery is made of positive and negative electrode piece and diaphragm, and battery will produce largely in use
Heat influences the cycle life and safety of its battery, is especially affected to high capacity cell, monitors in lithium battery in real time
Portion's electrochemical reaction situation is the key that judge battery health.All be in the prior art by react regulation in other
Feed back the working condition, such as temperature, voltage etc. of indirect gain lithium battery.Therefore, a kind of novel built-in detection ion is studied
Concentration sensor has been to be badly in need of.
(3) invention content
The present invention provide in view of the above shortcomings of the prior art it is a kind of can realize inside battery lithium concentration monitoring
Lithium battery.
Used technical solution is the present invention in order to solve the above problem：A kind of lithium battery, including battery core and shell, battery core
Inside the shell, battery core includes positive plate, negative plate and diaphragm for setting, it is characterised in that the positive plate or negative plate and diaphragm it
Between be provided with fiber grating ion concentration sensor.The superiority of the present invention is to judge reaction process with monitoring lithium concentration
The charging and discharging state of middle lithium battery can directly and accurately judge the electrochemical process of battery.
Upon charging and discharging the battery, lithium ion swaps between positive and negative electrode, the microporous membrane between positive/negative plate
The charge status of lithium battery can be reacted by lithium ion, the lithium concentration on diaphragm both sides, when its lithium concentration
When occurring abnormal, indicates that exception occurs in the cyclic process of battery, also imply the problems such as thermal runaway will occur for battery.Just
Setting monitoring ion concentration sensor, can understand the spread condition of lithium ion, judge battery in real time between negative plate and diaphragm
Working condition, to the preferably thermal runaway of control battery and other battery events.
As the development of fiber grating and increasingly maturation, the application field of manufacturing technology are more and more extensive.Due to optical fiber
Grating is vulnerable to the influence of extraneous refractive index, and its sensitivity is higher, has begun to be applied to solution concentration detection.By optical fiber light
Gate sensor is combined with the luminous effect of liquid, realizes the detection to strength of fluid.Fiber grating as concentration sensor be by
Sensing grating is with after electrolyte contacts, and in the electrochemical process of the charge and discharge of lithium battery, lithium concentration is between positive and negative anodes
Deintercalation process constantly changes, and due to the variation of its concentration, the signal that luminous effect generates changes.By the packet of fiber grating
After layer does chemical attack processing, by fluid to be measured directly as the covering of fiber grating, when the refractive index or concentration of fluid to be measured
When variation, the variation of reflective optical disc is also resulted in, using this principle, can also realize the measurement of liquid refractivity or concentration,
To realize the detection of ion concentration.
The present invention also has the following advantages that and advantageous effect：
1. realizing the real time monitoring to lithium battery group, the working condition of lithium battery can be monitored in real time.
2. realizing the safety management to lithium battery group, battery life is increased.Provide Security Strategies and equilibrium
Management makes battery keep preferable consistency, can effectively improve the service life of battery.
The present invention is characterized in that the lithium concentration sensor is arranged between positive plate and diaphragm.In this way, lithium from
Sub- concentration sensor is used to monitor the spread condition of the lithium concentration in electrolyte between positive plate and diaphragm, detects positive material
The situation of change of material.
The present invention is characterized in that the lithium concentration sensor is arranged between negative plate and diaphragm.In this way, due to
Cathode needs to keep certain lithium concentration just to can guarantee the stability of electrode slice structure, and lithium ion is arranged in this side of cathode
Concentration sensor obtains lithium concentration value in time, and lithium ion is excessive when can prevent from putting moves out.
The present invention, which is further characterized in that between positive plate or negative plate and diaphragm, is provided with heating component, and heating component includes
The one side of the positive plate and negative plate of heating plate, one side coating electrode material, positive plate and the uncoated coating of negative plate is pasted respectively
Together in the two sides of heating plate.In this way, when battery temperature is too low, heating component can heat in time.Heating component has structure letter
Single, reasonable design, simple production process, fever is uniform, heat converts the advantages that fast, the efficiency of heating surface is high.
The present invention is characterized in that the end of the connecting lead wire of heating component is provided with connector.In this way, in convenient and battery
The connection of each component in portion.
The present invention is characterized in that lithium concentration sensor is arranged in heating component.Exist in this way, having saved sensor
Space shared by inside battery will be preferably minimized the influence of the electrochemical process of battery.
The present invention is characterized in that the connecting lead wire end of lithium concentration sensor is provided with connector.In this way, facilitating lithium
Ion concentration sensor is convenient to be connect with battery other component.
The present invention is characterized in that two-direction closed interface inside and outside the closure part of the shell, built-in end interface is for connecting
The connector of lithium concentration sensor or the connector of heating component are connect, external end interface is used to connect with detection and analysis equipment.This
Sample facilitates each component to connect.
The present invention is characterized in that lithium concentration sensor is directly placed between positive plate or negative plate and diaphragm.This
Sample is easily installed and fixes.
The present invention is characterized in that lithium concentration sensor is fixed on positive plate or negative plate.In this way, can stablize
Sensor prevents it from being moved in inside battery.
The present invention is characterized in that the material of positive plate coating layer is LiFePO4, cobalt acid lithium or ternary material.
The present invention is characterized in that the material of negative plate coating layer is graphite material.
(4) it illustrates
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is fiber grating ion concentration sensor schematic diagram.
Fig. 3 is position view of the fiber grating ion concentration sensor in lithium battery.
Fig. 4 is the structural schematic diagram of the embodiment of the present invention 2.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the structural schematic diagram of the embodiment of the present invention 3.
In figure, 1, battery core, 2, shell, 3, positive plate, 4, negative plate, 5, diaphragm, 6, fiber grating ion concentration sensor,
7, hush panel, 8, connector, 9, bidirectional interface, end interface built in 10,11, external end interface.
(5) specific implementation mode
Invention is further described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, 3, a kind of lithium battery, including battery core 1 and shell 2, battery core 1 are arranged in shell 2, and battery core 1 is wrapped
Positive plate 3, negative plate 4 and diaphragm 5 are included, diaphragm 5 is separated positive plate 3 and the insulation of negative plate 4 with Z-shaped winding method, positive and negative
Lug is provided on pole piece, shell 2 includes shell top and shell, and pole and interface holes are provided at the top of shell.Positive plate 3 described in Fig. 1
Fiber grating ion concentration sensor 6 is provided between diaphragm 5.Fig. 2 is 6 structure of fiber grating ion concentration sensor, Fig. 3
It is shown position of the fiber grating ion concentration sensor in battery core, one end is provided with connector 8.
The present invention be further characterized in that the fiber grating ion concentration sensor 6 setting negative plate 4 and diaphragm 5 it
Between.Battery core 1 as shown in Figure 4,5 includes positive plate 3, negative plate 4 and diaphragm 5, and diaphragm 5 is with Z-shaped winding method by 3 He of positive plate
The insulation of negative plate 4 separates, and lug is provided on positive/negative plate, fiber grating ion is provided between the negative plate 4 and diaphragm 5
Concentration sensor 6.
The present invention is further characterized in that the shell 2, and shown in Fig. 6, shell 2 includes shell top and shell, the hush panel 7 on shell top
It is provided with enclosed bidirectional interface 9, built-in end interface 10 is used to connect the connector 8 of fiber grating ion concentration sensor 6, outside
End interface 11 is set for being connect with detection and analysis equipment.
The present invention be further characterized in that fiber grating ion concentration sensor 6 be directly placed at positive plate 3 or negative plate 4 with
Between diaphragm 5.
The present invention is further characterized in that fiber grating ion concentration sensor 6 is fixed on positive plate 3 or negative plate 4.
The present invention is further characterized in that the material of positive plate coating layer is LiFePO4, cobalt acid lithium or ternary material.
The present invention is further characterized in that the material of negative plate coating layer is graphite material.
Claims (8)
1. a kind of lithium battery, including battery core (1) and shell (2), in shell (2), battery core (1) includes anode for battery core (1) setting
Piece (3), negative plate (4) and diaphragm (5), it is characterised in that set between the positive plate (3) or/and negative plate (4) and diaphragm (5)
It is equipped with fiber grating ion concentration sensor (6).
2. lithium battery according to claim 1, it is characterised in that fiber grating ion concentration sensor (6) is fixed on anode
On piece (3) or/and negative plate (4).
3. lithium battery according to claim 2, it is characterised in that fiber grating ion concentration sensor (6) setting exists
Positive plate (3) or/and negative plate (4) central area.
4. the lithium battery according to any claim in claims 1 to 3, it is characterised in that the fiber grating ion is dense
Sensor (6) is spent to be arranged at the hush panel (7) of battery case (2).
5. the lithium battery according to any claim in claims 1 to 3, it is characterised in that fiber grating ion concentration passes
The end of sensor (6) is provided with connector (8).
6. lithium battery according to claim 5, it is characterised in that the closure part of the shell (2) is provided with enclosed
Bidirectional interface (9), built-in end interface (10) are used to connect the connector (8) of fiber grating ion concentration sensor (6), external termination
Mouth (11) is used to connect with detection and analysis equipment.
7. the lithium battery according to any claim in claims 1 to 3, it is characterised in that positive plate (3) coating layer
Material is ferric phosphate fiber grating, cobalt acid fiber grating or ternary material.
8. the lithium battery according to any claim in claims 1 to 3, it is characterised in that negative plate (4) coating layer
Material is graphite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108816.XA CN108511783A (en) | 2017-02-27 | 2017-02-27 | A kind of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108816.XA CN108511783A (en) | 2017-02-27 | 2017-02-27 | A kind of lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108511783A true CN108511783A (en) | 2018-09-07 |
Family
ID=63374180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710108816.XA Pending CN108511783A (en) | 2017-02-27 | 2017-02-27 | A kind of lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108511783A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830770A (en) * | 2019-02-18 | 2019-05-31 | 中南大学 | Vast capacity energy storage lithium ion battery with monitoring function |
| CN110007241A (en) * | 2019-05-07 | 2019-07-12 | 中国科学技术大学 | Lithium ion battery thermal runaway jet stream experimental provision |
| CN112054254A (en) * | 2020-08-18 | 2020-12-08 | 暨南大学 | Battery optical fiber in-situ detection system and method |
| CN113258182A (en) * | 2020-02-12 | 2021-08-13 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
| CN113346199A (en) * | 2021-04-13 | 2021-09-03 | 华中科技大学 | Integrated optical fiber tab, preparation method and application |
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| CN101355180A (en) * | 2008-09-09 | 2009-01-28 | 吉安市优特利科技有限公司 | Electric core construct for lithium ion power cell |
| CN204705615U (en) * | 2015-06-11 | 2015-10-14 | 石河子开发区智睿博创科技有限公司 | A kind of sensor automatically can monitoring potassium concentration in feedback solution |
| CN105762401A (en) * | 2016-01-07 | 2016-07-13 | 小牛动力（武汉）新能源技术有限公司 | Lithium ion power battery and utilization method thereof |
| CN105789525A (en) * | 2016-05-18 | 2016-07-20 | 小牛动力（武汉）新能源技术有限公司 | Optical fiber sensor embedded type battery diaphragm and usage thereof |
-
2017
- 2017-02-27 CN CN201710108816.XA patent/CN108511783A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101355180A (en) * | 2008-09-09 | 2009-01-28 | 吉安市优特利科技有限公司 | Electric core construct for lithium ion power cell |
| CN204705615U (en) * | 2015-06-11 | 2015-10-14 | 石河子开发区智睿博创科技有限公司 | A kind of sensor automatically can monitoring potassium concentration in feedback solution |
| CN105762401A (en) * | 2016-01-07 | 2016-07-13 | 小牛动力（武汉）新能源技术有限公司 | Lithium ion power battery and utilization method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830770A (en) * | 2019-02-18 | 2019-05-31 | 中南大学 | Vast capacity energy storage lithium ion battery with monitoring function |
| CN110007241A (en) * | 2019-05-07 | 2019-07-12 | 中国科学技术大学 | Lithium ion battery thermal runaway jet stream experimental provision |
| CN113258182A (en) * | 2020-02-12 | 2021-08-13 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
| WO2021159995A1 (en) * | 2020-02-12 | 2021-08-19 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
| CN113258182B (en) * | 2020-02-12 | 2022-10-18 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
| CN112054254A (en) * | 2020-08-18 | 2020-12-08 | 暨南大学 | Battery optical fiber in-situ detection system and method |
| CN112054254B (en) * | 2020-08-18 | 2022-02-18 | 暨南大学 | Battery optical fiber in-situ detection system and method |
| CN113346199A (en) * | 2021-04-13 | 2021-09-03 | 华中科技大学 | Integrated optical fiber tab, preparation method and application |
| CN113346199B (en) * | 2021-04-13 | 2022-10-04 | 华中科技大学 | Integrated optical fiber tab, preparation method and application |
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Effective date of registration: 20210121 Address after: Room 702, superstar entrepreneurial base, No.8 Lujing Road, Changsha high tech Development Zone, Changsha City, Hunan Province, 410205 Applicant after: Changsha Juneng new energy Co.,Ltd. Address before: Room 706, superstar entrepreneurial base, No.8 Lujing Road, high tech Development Zone, Changsha City, Hunan Province, 410205 Applicant before: HUNAN MIAOSHENG AUTOMOBILE POWER Co.,Ltd. |